A rifle bullet loses 1/20 th of its velocity in passing through a plank. The least number of such planks required just to stop the bullet is

Options :
  1. 5
  2. 11
  3. 20
  4. 25
Answer and Explanation :-

Answer: Option 2


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : A ball is allowed to fall from a height of 10 m. If there is 40% loss of energy due to impact, then ...

Next Question : Select the true statement

Click here for online test on Work Power and Energy


 (Getemail alerts when others member replies)

Procrastination is a teardrop in the sands of time.
-Heath Byers